An apparatus provides operator feedback in response to opening or closing of a valve or coupling, The apparatus may comprise: data storage means for storing at least one recommended opening or dosing event of the valve; sensing means for sensing operator actuation of the valve or coupling; and processing means for comparing the sensed actuation of the valve or coupling against the recommended opening or dosing event of the valve or coupling in real-time or near real-time, and outputting at least one operator feedback signal based on the comparison.

A color-coded roller clamp apparatus for easily clamping an IV tube includes a clamp housing having a clamp inside. A top aperture and a roller slot extend through to the clamp inside. The clamp housing is configured to receive an IV tube passing through the top aperture and out a bottom. A roller is coupled to the clamp housing and comprises a wheel partially extending through the roller slot. A first hemisphere and a second are a first color and a second color, respectively. An axle is coupled to the wheel within the clamp. The roller is rollingly moveable between a disengaged position alternative engaged. The wheel in the disengaged position exposes the first hemisphere through the roller slot and the wheel in the engaged position exposes the second hemisphere through the roller slot and is configured to clamp the IV tube against the back side to prevent flow.

An indicator adapted to provide a visual indication of an over pressure situation in a system. The indicator (also referred to as a pop indicator), includes a main body, a piston that is disposed in the main body, and one or more O-rings disposed around the piston. Initially, the piston is in a first position where the piston is retracted into the body. However, when an over pressure situation occurs, the pressure causes the piston to move in a direction out of the main body against a friction force created by the O-ring. When the piston is moved, i.e., popped, then end of the piston extending out of the body provides a visual indication.

Provided is a fluid control device that can have a small size, while a member for detecting abnormality of the fluid control device is incorporated. In addition, a result of detecting an abnormality of the fluid control device is made easily recognizable from the outside.

A fluid control device 1 includes an information processing module 5 provided in the device, a valve body 11 having a flow path, an actuator body 12 fixed to the valve body 11, a hollow casing 13 that is fixed to the actuator body 12 and has a side surface on which a through hole 133d is formed, a piston 126 that is provided in the actuator body 12 and in which a driving pressure introduction path 126b that communicates with a driving pressure introduction chamber S2 is formed, and an introduction pipe 21 through which driving pressure is introduced, the introduction pipe having one end inserted to the driving pressure introduction path 126b and another end leading to an outside through the through hole 133d of the casing 13.

An apparatus for detecting a position of a moveable component of a valve disposed in a borehole penetrating the earth includes a radioactive marker disposed on the moveable component and a radiation detector configured to detect radiation emitted by the radioactive marker. The apparatus also includes a controller configured to receive radiation detection information from the radiation detector and to correlate the radiation detection information to the position of the moveable component.

A rotary encoder for a valve comprises a rotatable code plate and an optical detector module comprising one or more optical detectors. The code plate defines a set of voids arranged along a set of one or more concentric circular arcs about an axis of rotation. The voids define an angle-dependent pattern over the set of arcs, the pattern comprising a plurality of distinct sectoral elements (A-O, X). At least two of the sectoral elements, located in non-adjacent sectors of the code plate, are identical, but the pattern is non-repeating over a single full rotation of the code plate about the axis. Each optical detector is aligned with a respective concentric circular arc of the code plate. A controller processes time-varying output signals from the optical detectors to determine successive positions of the rotatable code plate.

A system for estimating a position of a component of a fluid control device includes an optical fiber sensor having a section disposed at a fixed location relative to the fluid control device, the fluid control device configured to be disposed in a borehole in an earth formation and including a moveable member, the fixed location selected so that acoustic signals generated by fluid flowing through the fluid control device are receivable by the section of the optical fiber sensor. The system also includes an interrogation assembly configured to inject an optical signal into the optical fiber and receive a return signal, and a processing device configured to detect the return signal, identify a signal pattern based on the return signal, and estimate a position of the moveable member based on the identified signal pattern.

A food article defect removal apparatus includes a manifold that defines one or more chambers for holding pressurized fluid. First channels extend from a first side of the manifold into fluid communication with the chambers. Second channels extend from the first side of the manifold to a second side of the manifold. Valves selectively connect corresponding first channels and second channels together to dispense the pressurized fluid from the manifold. The manifold can have an exterior wall that at least partially defines a first chamber and a second chamber, with an interior wall disposed between the first chamber and the second chamber. The interior wall can define the second channels. The valves can be included with a valve assembly, which includes a driver operably coupled with the valves. The valves can be pluggably coupled with the driver.

A color-coded roller clamp apparatus for easily clamping an IV tube includes a clamp housing having a clamp inside. A top aperture and a roller slot extend through to the clamp inside. The clamp housing is configured to receive an IV tube passing through the top aperture and out a bottom. A roller is coupled to the clamp housing and comprises a wheel partially extending through the roller slot. A first hemisphere and a second are a first color and a second color, respectively. An axle is coupled to the wheel within the clamp. The roller is rollingly moveable between a disengaged position alternative engaged. The wheel in the disengaged position exposes the first hemisphere through the roller slot and the wheel in the engaged position exposes the second hemisphere through the roller slot and is configured to clamp the IV tube against the back side to prevent flow.

A hydraulic component includes a camera integrated such that the camera observes at least one surface that is prone to wear and/or at least one edge that is prone to wear to make a statement about wear relating to the at least one surface and/or the at least one edge.